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The climate of Delaware (United States of America)
Delaware is one of the states of the United States of America. Delaware is located on the east coast of the United States and borders the states of Pennsylvania, Maryland and New Jersey. The northern part of the state is located on the banks of the Delaware River which is also the border between New Jersey and Delaware. The central part of the state is situated on the Delaware Bay and the southeastern part on the Atlantic Ocean. Because of the presence of this expanse of water Delaware has a warm maritime climate (type Cfa according to the Köppen climate classification). The northern part of the state has a moderate maritime climate with influences of a continental climate. Delaware is one of the smallest states of the nation. However, large differences in temperatures are not uncommon. During the winter large differences in snowfall can be recorded. In the southern part of the state snowfall is uncommon. In the northern part of the state snow may fall from December till February. Large differences in minimum temperatures may occur within small distances. During the summer which is from June till September it is warm in Delaware. Average maximum temperatures during the summer are between 25-31 degrees Celsius (77.0-87.8 degrees Fahrenheit). However, temperatures of 35 degrees Celsius (95.0 degrees Fahrenheit) are not uncommon. In Delaware fall is from October till November. In December the winter starts which lasts till February. Precipitation is quite evenly spread out over the year.

Climate information of places in Delaware
Climate information on cities and regions in Delaware
The climate information given on this page is only brief. Specific information on weather and climate can be found on the pages per region or city. The following climate information is available for Delaware:

Dover
Newark
Wilmington
     

 

Climate information
Throughout Delaware several climate figures and temperatures can be recorded. The figures below are for Dover and cannot be seen as an average for this state. For climate figures for other places and regions in Delaware please, visit the individual climate pages.

average
 maximum
temperature (°C)

average
minimum

temperature (°C)
average
hours of sunshine

per
day
average days with precipitation
per month
average
mm
precipitation
per month
average
sea
temperature (°C)
January 6 -5 5 11 4
February 7 -3 6 9 1
March 13 1 7 11 2
April 18 5 8 11 5
May 24 11 8 11 10
June 29 16 9 9 16
July 31 19 9 10 21
August 30 18 8 8 23
September 27 14 8 8 21
October 21 8 7 8 16
November 15 3 6 8 11
December 8 -2 5 10 7
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm
= 0-0.2 inches ● = 0.2-1.2 inches ● = 1.2-2.4 inches ● = 2.5-4 inches ● = 4.1-8 inches ● = over 8 inches

More climate information
Climate tables are useful but they don’t give an overall picture of the climate and possible weather conditions during a period of time. How high the chances are of hot or cold weather or hurricanes can often not be found in these tables. This is why we offer extra climate information per month. The figures below apply to Dover. For climate figures on specific regions and places please, visit the relevant individual climate pages.
 

chance of
(very) hot

weather

chance of
(very) cool
weather
chance of
long-term

precipitation
chance of
hurricanes
(cyclones)
chance of
sunny days

UV-index

January
February
March
April
May
June
July
August
September
October
November
December
click here for the explanation of the symbols

Disclaimer
The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. “More climate info” is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, it’s up to the reader to use it to it’s benefit.

 

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